Hieracium traillii Greene

Species

Angiosperms > Asterales > Asteraceae > Hieracium

Characteristics

Plants 25–60+ cm. Stems proximally glabrous or stellate-pubescent, distally glabrous or stellate-pubescent. Leaves: basal 5–6+, cauline 0(–1+); blades oblanceolate to spatulate, 40–80 × 18–45+ mm, lengths 3–5+ times widths, bases cuneate, margins usually entire, apices rounded to obtuse, abaxial faces piloso-hirsute (hairs 1–3+ mm), adaxial glabrous. Heads 8–12+ in corymbiform arrays. Peduncles stellate-pubescent and stipitate-glandular. Calyculi: bractlets 5–8+. Involucres hemispheric to campanulate, 8–10 (× 6–9) mm. Phyllaries 13–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. Florets 30–60+; corollas yellow, ca. 12 mm. Cypselae (black or red-brown) columnar, 3–4 mm; pappi of ca. 40+, stramineous bristles in ± 2 series, 6–7 mm.
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Similar to no. 14 [Hieracium venosum L.], but more hairy; lvs long-setose over the surface beneath and often sparsely so above, not purple-veined; peduncles avg stouter, densely stellate-tomentose as well as copiously provided with spreading, blackish, gland-tipped hairs; heads avg larger, the invol to 12 mm, conspicuously hairy, with long, eglandular setae, shorter, blackish, gland-tipped hairs, and also some small, stellate hairs. Dry, open woods, often on shale-barrens; mts. of s. Pa. to Va. and W.Va. May–Aug. (H. greenii Porter & Britton, a preoccupied name)
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-5
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 21 - 30
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Hieracium traillii unspecified picture

Distribution

Hieracium traillii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:292634-2
WFO ID wfo-0000116355
COL ID 6M8Z5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hieracium traillii